“I'm always interested in the troublesome, and that's what makes the artist's life so difficult.”— Elliott Carter
“There are two ways for a painter: the broad and easy one or the narrow and hard one.”— Mary Cassatt
“It is not only the most difficult thing to know oneself, but the most inconvenient one, too.”— Clarence Day
“The sonatas of Mozart are unique; they are too easy for children, and too difficult for artists.”— Artur Schnabel
“The problem is that the 'architecture of our lives' is not always designed to make things easy for us.”— Cass Sunstein
“Three things are difficult: to keep a secret, to bear an injury, and to use leisure well.”— Chilon of Sparta